1 . 设
为常数,若存在大于1的整数
,使得无穷数列
满足
,则称数列
为“
数列”.
(1)设
,
,若首项为1的数列
为“
数列”,求
;
(2)若首项为1的等比数列
为“
数列”,求数列
的通项公式,并指出相应的
的值;
(3)设
,
,若首项为1的数列
为“
数列”,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf1ad6f30c018f9dbd4a93143cb1d96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae75c507b1c84872977eb5cac1c03562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f03b007be99a17613246b5ea1ff86d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/608573102f4d2fe1eb1042dd6cbf3ccc.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f2572192cc7ca046e9a3155ef3e56a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b711804687540cdcfc5d2c2b42378b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a745d156e6cb715ac319221daffb7ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea00d10c496ccacb5b25c9574d6cdb09.png)
(2)若首项为1的等比数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/608573102f4d2fe1eb1042dd6cbf3ccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8783712c637f7005eb65170f740606c.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3012337aa392709349731fb1eef5b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d9b6c86435e0ceff94d8ad1cd03737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c137cc1451c11cb57e60106d8844e6b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e7351b8037c517ab7980979323fa02c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf4fc1fcae464966e10b3578e650cee.png)
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名校
2 . 等差数列中,公差
,而且
是等比数列
的连续
项,则
时
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2022-10-31更新
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5卷引用:第四章 数列章末重点题型归纳(3)
名校
3 . 已知
,
,
,
成等差数列,
,
,
,
,
成等比数列,则
的值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b715e7842b95f654f16056a7c7f2abe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13423c094861baf4b759b7f3d8c3c226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57483e04fd1840c87ac5325157149877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf895307fe94a12791f936b4a46eb983.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() |
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14卷引用:2018年5月11日 押高考数学第4题——《每日一题》2018年高三理科数学四轮复习
(已下线)2018年5月11日 押高考数学第4题——《每日一题》2018年高三理科数学四轮复习(已下线)2018年5月11日 押高考数学第4题——《每日一题》2018年高三文科数学四轮复习河北省衡水中学2018届高三上学期七调考试数学(理)试题四川省广元市利州区川师大万达中学2019-2020学年下学期高一期中考试数学试卷四川省华阳中学2019-2020学年高一下学期期中数学试题(已下线)专题5.5 《第五章 数列》单元测试卷(A卷基础篇)-2020-2021学年高二数学选择性必修第三册同步单元AB卷(新教材人教B版)四川省绵阳市开元中学2021-2022学年高一下学期半期质量检测理科数学试题河北省石家庄市新乐市第一中学2024届高三上学期10月月考数学试题【全国百强校】黑龙江省大庆中学2017-2018学年高一下学期期末考试数学试题广东省佛山市第二中学2019-2020学年高一下学期期中数学试题江西省七校(新余一中、丰城九中等)2020-2021学年高二(常规班)上学期第三次联考数学(理)试题贵州安顺市2023届上学期高三期末数学(理)试题贵州安顺市2023届上学期高三期末数学(文)试题贵州省毕节市2023届高三上学期第一次教学质量监测理科数学试题
4 . 已知数列
的各项均为正数,且
,对于任意的
,均有
,
.
(1)求证:
是等比数列,并求出
的通项公式;
(2)若数列
中去掉
的项后,余下的项组成数列
,求
;
(3)设
,数列
的前
项和为
,是否存在正整数
,使得
、
、
成等比数列,若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/130caef903e98d12e307f97c5970b4ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98851ec1ca2341b0ba5972b20122a112.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/804478b7ffdf453e210334d3d28be804.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca9f124f782685d94f664be0005e61f.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2739d4e88c3dedb057fee4bd223db7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f568b0db3e1b5c55d0565bbe16f964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a724b59c890095baa5cb73e267c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7e74be91bfe4bc209da7539dbf9b72c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-01-29更新
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1826次组卷
|
5卷引用:必刷卷08-2020年高考数学必刷试卷(新高考)【学科网名师堂】-《2020年新高考政策解读与配套资源》
(已下线)必刷卷08-2020年高考数学必刷试卷(新高考)【学科网名师堂】-《2020年新高考政策解读与配套资源》(已下线)卷08-2020年高考数学冲刺逆袭必备卷(山东、海南专用)【学科网名师堂】(已下线)考点21 求和方法(第2课时)练习-2021年高考数学复习一轮复习笔记2017届上海市普陀区高三上学期质量调研(一模)数学试题(已下线)专题二 数列求和-2020-2021学年高二数学新教材同步课堂精讲练导学案(人教A版2019选择性必修第二册)
解题方法
5 . 对于无穷数列
,给出下列命题:
①若
既是等差数列,又是等比数列,则
是常数列;
②若等差数列
满足
,则
是常数列;
③若等比数列
满足
,则
是常数列;
④若各项为正数的等比数列
满足
,则
是常数列.
其中正确的命题个数是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
②若等差数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe6b2c361ea31c165476c2a97ba48b8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
③若等比数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe6b2c361ea31c165476c2a97ba48b8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
④若各项为正数的等比数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/625d89dbeb259b92ac5f11d3123817de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
其中正确的命题个数是( ).
A.1 | B.2 | C.3 | D.4 |
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2022-09-07更新
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5卷引用:4.3.1.2 等比数列的性质及应用(练习)-2022-2023学年高二数学同步精品课堂(人教A版2019选择性必修第二册)
(已下线)4.3.1.2 等比数列的性质及应用(练习)-2022-2023学年高二数学同步精品课堂(人教A版2019选择性必修第二册)(已下线)第四章 数列章末重点题型归纳(3)沪教版(2020) 选修第一册 同步跟踪练习 第4章 测试卷(已下线)4.3.1-4.3.2 等比数列的概念和通项公式-2022-2023学年高二数学《基础·重点·难点 》全面题型高分突破(苏教版2019选择性必修第一册)(已下线)4.2 等比数列(第1课时)(十大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)
6 . 设公差不为0的等差数列
的前
项和为
,等比数列
的前
项和为
,若
是
与
的等比中项,
,
.
(1)求
,
与
;
(2)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cf86d176e66c7defe5a2543108e0769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ef4c607c86b5118a737d0998f521c86.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cfd2ac66b3882ecf957fdb54c795b79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b6b479fb3859de81052b575f6b4ddd0.png)
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2020-02-18更新
|
1785次组卷
|
5卷引用:第23讲 证明数列不等式-2022年新高考数学二轮专题突破精练
(已下线)第23讲 证明数列不等式-2022年新高考数学二轮专题突破精练2020届浙江省杭州市上学期高三年级期末教学质量检测(一模)数学试题2020届河北省衡水中学高三高考考前密卷(一)数学(理)试题(已下线)专题20 数列综合-2020年高考数学母题题源全揭秘(浙江专版)(已下线)【新东方】新东方高三数学试卷310
7 . 已知等比数列
的公比
,且
,
是
,
的等差中项,数列
满足:数列
的前
项和为
.
(1)求数列
、
的通项公式;
(2)数列
满足:
,
,证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda6dc559d07bc22c9a0ed1e3a6d01d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b932ddacaf5235694da0d7313cbcf65c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e0414c0b6fda7fee5eb71976e09da80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52c9237cb0b4acc568d4afb12997186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67031ed022f126ffd6d6a1a1e5faadbc.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2865594c03cd3cfcbf3216cdbf08fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3b0242b49523fc3ad50b46fbacc3797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82fbc6141ed1f5a458f49ceb0526e143.png)
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2020-10-27更新
|
1588次组卷
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8卷引用:专题7.6 数学归纳法(练)-2021年新高考数学一轮复习讲练测
(已下线)专题7.6 数学归纳法(练)-2021年新高考数学一轮复习讲练测(已下线)专题7.6 数学归纳法(讲)- 2022年高考数学一轮复习讲练测(新教材新高考)(已下线)专题7.6 数学归纳法(练)- 2022年高考数学一轮复习讲练测(新教材新高考)(已下线)第23讲 证明数列不等式-2022年新高考数学二轮专题突破精练(已下线)专题15 数列与不等式(解答题)-冲刺2020高考跳出题海之高三数学模拟试题精中选萃(浙江专版)(已下线)4.4 数学归纳法(精讲)-2020-2021学年一隅三反系列之高二数学新教材选择性必修第二册(人教A版)(已下线)2021年高考数学押题预测卷02(浙江专用)浙江省“山水联盟”2019-2020学年高三下学期返校考试数学试题
名校
8 . 已知递增数列
和
分别为等差数列和等比数列,且
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2fceda903b8403b0b46ba9bbc95aa74.png)
(1)求数列
和
的通项公式;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f86f99671fe8a18caba3f5393042e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe1d9e4be779bb43c2b4e1492be3089.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b422ea651a522bb576e69e4a98673c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2fceda903b8403b0b46ba9bbc95aa74.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f990fd9ddc8e2133738921d8c0fa755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29fe76cada9145bb9654d2ad1b11d028.png)
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解题方法
9 . 已知数列
的前
项和为
,
,
,
,数列
满足
,对于
,都有
.
(1)求数列
,
的通项公式;
(2)若
,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea8d0e50065114b05ef2dc1ea1129cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/204fe825361c413ddc828c5505476789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dd6c97d2ee3e74ba5730f1cbcc1d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80668cfda2cc8939184f60e4a3d26a3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f8df841d864c64ed4ef8563db38b90a.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9221c0c92a526f65533cdc5400767af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
2020-03-27更新
|
1640次组卷
|
4卷引用:考点21 数列求和问题-2021年新高考数学一轮复习考点扫描
(已下线)考点21 数列求和问题-2021年新高考数学一轮复习考点扫描(已下线)2021年全国高考乙卷数学(文)试题变式题16-19题2020届黑龙江省大庆实验中学高三下学期第二次“战疫”线上测试数学(文)试题山东省2020年普通高等学校招生统一考试数学必刷卷(二)
10 . 设
是等比数列
,
,
,
,
的各项和,其中
,
,
.
(Ⅰ)证明:函数
在
内有且仅有一个零点(记为
),且
;
(Ⅱ)设有一个与上述等比数列的首项、末项、项数分别相同的等差数列,其各项和为
,比较![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8fee24d72a91f2156da24c3da74fb5.png)
与
的大小,并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8fee24d72a91f2156da24c3da74fb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2537b72c74ac9482d538480c7af1fc40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e26f2235031a8d214d82a5e405db676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7fde71807463dbdfd8fce1655a5a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e0a78970d3a16704c80584773d8170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ece1cabeedc0da3de06bd8b7753cdf52.png)
(Ⅰ)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2a0c1f7ff56ac025f75377db81da179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f4c4985f8a820372f1349f21f8dc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/581fa6a48a154d3f6c63e2503d5e57b0.png)
(Ⅱ)设有一个与上述等比数列的首项、末项、项数分别相同的等差数列,其各项和为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee81f297cfac6ef59ebe37ce43c8374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8fee24d72a91f2156da24c3da74fb5.png)
与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee81f297cfac6ef59ebe37ce43c8374.png)
您最近一年使用:0次
2016-12-03更新
|
3838次组卷
|
10卷引用:2018年12月12日 《每日一题》一轮复习【理】-数学归纳法
(已下线)2018年12月12日 《每日一题》一轮复习【理】-数学归纳法(已下线)专题19 数列的求和问题-十年(2011-2020)高考真题数学分项(已下线)第二篇 函数与导数专题4 不等式 微点2 伯努利不等式(已下线)第三篇 数列、排列与组合 专题2 多边形数、伯努利数、斐波那契数、洛卡斯数、明安图数与卡塔兰数 微点3 伯努利数(已下线)专题21 数列解答题(理科)-4专题35导数及其应用解答题(第二部分)2015年全国普通高等学校招生统一考试理科数学(陕西卷)(已下线)专题05 导数与函数的零点问题 第一篇 热点、难点突破篇(练)- 2021年高考二轮复习讲练测(浙江专用)(已下线)专题04 利用导数证明不等式 第一篇 热点、难点突破篇(练)- 2021年高考二轮复习讲练测(浙江专用)湖北省武汉市华中师范大学第一附属中学2023届高三高考前素养数学试题